The result! Ingredients: 25 elderflower heads, 3 unwaxed lemons, 1.5 litres boiling water, 1 teaspoon citric acid, 1Kg caster sugar. Method: Pick 25 of the freshest prettiest elder flowers (part of the mystique is that they should be picked in the morning - after the dew has dried !) Put them into a large mixing bowl / add …